Global Patent Index - EP 3401807 A1

EP 3401807 A1 20181114 - SYNOPSIS BASED ADVANCED PARTITION ELIMINATION

Title (en)

SYNOPSIS BASED ADVANCED PARTITION ELIMINATION

Title (de)

SYNOPSIS-BASIERTE ERWEITERTE PARTITIONSELIMINIERUNG

Title (fr)

ÉLIMINATION DE CLOISONNEMENT AVANCÉE BASÉE SUR UN SYNOPSIS

Publication

EP 3401807 A1 20181114 (EN)

Application

EP 18171431 A 20180509

Priority

  • US 201762505485 P 20170512
  • US 201715796365 A 20171027

Abstract (en)

Disclosed herein are system, method, and computer program product embodiments for determining a constraint data statistics object is consistent. An embodiment operates by receiving a query for a database table. The embodiment determines a constraint data statistic object associated with a partition of the database table. The embodiment determines the constraint data statistics object is consistent with a data state of the partition of the database table based on consistency metadata of the constraint data statistics object. The embodiment processes the query for the database table based on the determining the constraint data statistics object is consistent with the data state of the partition of the database table.

IPC 8 full level

G06F 17/30 (2006.01)

CPC (source: EP US)

G06F 16/215 (2019.01 - EP US); G06F 16/2282 (2019.01 - US); G06F 16/23 (2019.01 - US); G06F 16/24565 (2019.01 - US); G06F 16/278 (2019.01 - US)

Citation (search report)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

EP 3401807 A1 20181114; EP 3401807 B1 20231025; US 11468093 B2 20221011; US 2018329974 A1 20181115

DOCDB simple family (application)

EP 18171431 A 20180509; US 201715796365 A 20171027